-51.81% is the change from 803 to 387
Calculation steps:
[( 387 - 803 ) ÷ 803] x 100 = -51.81%
Formula
Percentage change = [(387 - 803) / 803] x 100
Subtract the new number by the original number
387 - 803 = -416
-416 ÷ 803 = -0.5180572851805728
-0.5180572851805728 x 100 = -51.81%